Calculate the expected cost per stockout with the following information: Probability of a backorder is $20\%,$ lost sale is $50\%,$ and the probability of a lost customer is $30\%.$ The cost per incident of a backorder is $$80,$ lost customer is $$20,000.$ The sales price of the item is $$90$ with a $15\%$ profit margin. The average order is $60$ units